SOLUTION: Please help to : Evaluate a^2 - b^3(a - b) if a = 1/3 and b = - 1/2

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Question 64144This question is from textbook An Incremental Development
: Please help to :
Evaluate
a^2 - b^3(a - b) if a = 1/3 and b = - 1/2 This question is from textbook An Incremental Development

Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
a^2 - b^3(a - b) [substitute: a = 1/3 and b = - 1/2]
(1/3)^2 - (-1/2)^3((1/3) - (-1/2)) [simplify]
(1/9)+(1/8)(1/3+1/2)
(1/9)+(1/8)(2+3/6)
1/9+1/8(5/6)
1/9+5/48
(48+45)/432 = 31/144